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Callard RE, Hamvas R, Chatterton C, Blanco C, Pembrey M, Jones R, Sherriff A, Henderson J; ALSPAC Study Team. Avon Longitudinal Study of Parents and Children.Callard RE, et al.Clin Exp Allergy. 2002 Jul;32(7):990-3. doi: 10.1046/j.1365-2222.2002.01414.x.Clin Exp Allergy. 2002.PMID: 12100043